[gdal-dev] Reading Envisat AATSR L1 data (.N1 format)

[Chaitanya kumar CH]

knudby,

According to http://gdal.org/formats_list.html and
http://gdal.org/frmt_various.html#Envisat you cannot get the projection
information but will be able to read GCPs with GDALDataset::GetGCPs().

On Mon, Feb 22, 2010 at 5:40 AM, knudby <knudby at gmail.com> wrote:

>
> Hi, I'm trying to read AATSR data in ESA's N1 format. Supposedly gdal can
> do
> this, but when I open my files I get no projection or geotransform
> information. Is this a known issue, or am I doing something wrong. If I'm
> doing something wrong, can someone give me a quick tip on how to get the
> information out (Python please).
>
> A snippet of what I'm using now:
>
> import sys
> import string
> import os
> from osgeo import osr
> from osgeo import gdal
> from osgeo import gdalnumeric
> from osgeo.gdalconst import *
>
> source_image_file = "c:/aatsr/l1/aatsr_data.N1"
> source_image = gdal.Open(source_image_file, GA_ReadOnly)
> geotransform = source_image.GetGeoTransform()             #Turns out empty!
> projection_reference = source_image.GetProjectionRef()    #Turns out empty!
> projection = source_image.GetProjection()                      #Turns out
> empty!
>
> --
> View this message in context:
> http://n2.nabble.com/Reading-Envisat-AATSR-L1-data-N1-format-tp4609430p4609430.html
> Sent from the GDAL - Dev mailing list archive at Nabble.com.
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>



-- 
Best regards,
Chaitanya kumar CH.
/tʃaɪθənjə/ /kʊmɑr/
+91-9848167848
17.241582N 80.142635E
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